Information card for entry 7201072

Structure parameters

• Common name: Form II of 1:1 cocrystal of ethenzamide and gentisic acid
• Chemical name: Form II of 1:1 cocrystal of ethenzamide and gentisic acid
• Formula: C16 H17 N O6
• Calculated formula: C16 H17 N O6
• SMILES: O=C(O)c1cc(O)ccc1O.O(c1c(C(=O)N)cccc1)CC
• Title of publication: Trimorphs of a pharmaceutical cocrystal involving two active pharmaceutical ingredients: potential relevance to combination drugs
• Authors of publication: Aitipamula, Srinivasulu; Chow, Pui Shan; Tan, Reginald B. H.
• Journal of publication: CrystEngComm
• Year of publication: 2009
• Journal volume: 11
• Journal issue: 9
• Pages of publication: 1823
• a: 7.7217 ± 0.0015 Å
• b: 12.668 ± 0.003 Å
• c: 15.749 ± 0.003 Å
• α: 90°
• β: 102.44 ± 0.03°
• γ: 90°
• Cell volume: 1504.4 ± 0.6 ų
• Cell temperature: 110 ± 2 K
• Ambient diffraction temperature: 110 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.1349
• Residual factor for significantly intense reflections: 0.1233
• Weighted residual factors for significantly intense reflections: 0.3545
• Weighted residual factors for all reflections included in the refinement: 0.3615
• Goodness-of-fit parameter for all reflections included in the refinement: 1.136
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No